Struct sp_state_machine::StorageChanges

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pub struct StorageChanges<Transaction, H: Hasher> {
    pub main_storage_changes: StorageCollection,
    pub child_storage_changes: ChildStorageCollection,
    pub offchain_storage_changes: OffchainChangesCollection,
    pub transaction: Transaction,
    pub transaction_storage_root: H::Out,
    pub transaction_index_changes: Vec<IndexOperation>,
}
Expand description

A storage changes structure that can be generated by the data collected in OverlayedChanges.

This contains all the changes to the storage and transactions to apply theses changes to the backend.

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§main_storage_changes: StorageCollection

All changes to the main storage.

A value of None means that it was deleted.

§child_storage_changes: ChildStorageCollection

All changes to the child storages.

§offchain_storage_changes: OffchainChangesCollection

Offchain state changes to write to the offchain database.

§transaction: Transaction

A transaction for the backend that contains all changes from main_storage_changes and from child_storage_changes. offchain_storage_changes.

§transaction_storage_root: H::Out

The storage root after applying the transaction.

§transaction_index_changes: Vec<IndexOperation>

Changes to the transaction index,

Implementations§

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impl<Transaction, H: Hasher> StorageChanges<Transaction, H>

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pub fn into_inner( self ) -> (StorageCollection, ChildStorageCollection, OffchainChangesCollection, Transaction, H::Out, Vec<IndexOperation>)

Deconstruct into the inner values

Trait Implementations§

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impl<Transaction: Default, H: Hasher> Default for StorageChanges<Transaction, H>

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<Transaction, H> RefUnwindSafe for StorageChanges<Transaction, H>where Transaction: RefUnwindSafe, <H as Hasher>::Out: RefUnwindSafe,

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impl<Transaction, H> Send for StorageChanges<Transaction, H>where Transaction: Send,

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impl<Transaction, H> Sync for StorageChanges<Transaction, H>where Transaction: Sync,

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impl<Transaction, H> Unpin for StorageChanges<Transaction, H>where Transaction: Unpin, <H as Hasher>::Out: Unpin,

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impl<Transaction, H> UnwindSafe for StorageChanges<Transaction, H>where Transaction: UnwindSafe, <H as Hasher>::Out: UnwindSafe,

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